Across
- 5. All forms of electromagnetic radiation can be found on
- 6. a type of equation that shows atomic number mass
- 8. the number of waves that pass per second
- 12. major energy levels of an atom
- 14. An atom or bonded group of atoms
- 17. An ion that has a positive charge
- 18. energy levels contained within a principle
- 19. a partial with two protons, two neutrons, with a +2 charge
- 20. arrangement of electrons in an atom
- 21. The rays and particles alpha, beta particles, and gamma rays give materials.
Down
- 1. model that uses electron-dot structures to show how electrons are arranged
- 2. minimum amount of energy that can be gained or lost by an atom
- 3. is a partial of electromagnetic radiation that carries a quantum of energy
- 4. a high-speed electron with a -1 charge
- 7. an ion that has a negative charge
- 9. t The electrons in an atom’s outermost orbitals
- 10. States that atoms lose, gain, or share electrons
- 11. form of energy having wavelike behavior
- 13. lowest energy state in an atom
- 15. the process which some substances emit radiation.
- 16. high-energy radiation that has no electrical charge nor mass